Three men accused of plotting to blow up transatlantic planes have admitted to conspiring to cause explosions.
Abdulla Ahmed Ali, Assad Sarwar and Tanvir Hussain also admitted conspiring to cause a public nuisance by making videos threatening bombings.
Two other defendants, Ibrahim Savant and Umar Islam, also pleaded guilty to the public nuisance charges.
The Woolwich Crown Court jury has yet to rule on conspiracy to murder charges which the five and three others deny.
The men deny two charges, which have been amended, of conspiracy to murder between 1 January and 11 August 2006.
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'Injustices video'
Prosecutors claim the men planned to explode home-made bombs disguised as soft drinks on passenger jets flying from Heathrow to North American cities.
But Mr Ali and Mr Sarwar told the court they had planned only to make a video highlighting what they described as injustices against Muslims in Iraq, Afghanistan and Lebanon.
It was to include a small explosion at the Houses of Parliament in which no-one would be hurt, they said.
The two men also considered other targets including gas terminals, oil refineries and airports, Mr Sarwar told the jury.
The jury is expected to retire to consider the main charge next week.
(BBC)
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